一段STL搞的我百思不得其解,可能只有搞西门子编译软件的才知道为什么!
LD I0.0
A I0.1
LD I0.0
A I0.1
LD I0.0
A I0.1
OLD
OLD
= Q0.0
编译后会自动转为
LD I0.0
A I0.1
LD I0.0
A I0.1
OLD
LD I0.0
A I0.1
OLD
= Q0.0
而下面的有点相反
LD I0.0
O I0.0
A I0.1
LD I0.0
A I0.1
OLD
LD I0.0
A I0.1
OLD
= Q0.0
编译后转为
LD I0.0
O I0.0
A I0.1
LD I0.0
A I0.1
LD I0.0
A I0.1
OLD
OLD
= Q0.0
为什么会这样呢,百思不得其解
难道这样会执行起来方便还是???
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